Finding the Fourth Proportional to 118,179.69, 163,087.71 and 64,464.71

Step by Step Solution

1. Step 1: Write the proportion equation
   118,179.69 : 163,087.71 = 64,464.71 : x
2. Step 2: Convert to fraction form
   118,179.69/163,087.71 = 64,464.71/x
3. Step 3: Cross multiply
   118,179.69x = 163,087.71 × 64,464.71
4. Step 4: Simplify right side
   118,179.69x = 10,513,401,604.98
5. Step 5: Solve for x
   x = 10,513,401,604.98/118,179.69
6. Step 6: Final answer
   x = 88,961.15